I second the elliptical thing. I also have grouchy knees, and the elliptical lets me work out much more intensely than I possibly can by walking/running on a treadmill or for real. I had a really cheap one once, and it was too wobbly. The one Erik has is pretty darn good, if I recall.
no subject
Date: 2008-07-08 03:30 am (UTC)